000 00444nam a2200145Ia 4500
008 100415s9999 xx 000 0 und d
082 _b20865
_a574.5
100 _aVERMA,P.S.
245 _aEnvironmental biology: principles of ecology
260 _aNEW DELHI
_c1998
_bS.CHAND & COMPANY LTD.
365 _b0
630 _aEnvironmental biology: principles of ecology
730 _aEnvironmental biology: principles of ecology
942 _cBOOK
999 _c603747
_d603744